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AS 3641.1-1999
[Current]Recommended practice for atomic emission spectrometric analysis, Part 1: Principles and techniques
Sets out recommendations for instrumentation and operating procedures in the application of atomic emission spectrometry to chemical analysis. A section on quality assurance has been added to the Standard.
Published: 05/12/1999
Pages: 21
Table of contents
Cited references
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Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 PRINCIPLES OF THE ATOMIC EMISSION TECHNIQUE
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
2 INSTRUMENTATION
2.1 GENERAL
2.2 SOURCE OF ENERGY
2.3 SAMPLE PRESENTATION
2.3.1 General
2.3.2
2.3.3
2.3.4
2.3.5
2.4 OPTICAL SYSTEM
2.5 DETECTION AND MEASUREMENT SYSTEM
2.6 DATA PROCESSING AND COMPUTER CONTROL
2.7 ACCESSORY EQUIPMENT
2.8 RADIO FREQUENCY LEAKAGE
3 OPTICAL ALIGNMENT
3.1 GENERAL
3.2 PROFILING OF A SIMULTANEOUS SPECTROMETER
3.2.1 General
3.2.2 Profiling of each spectral line
3.2.3 Routine profiling of the spectrometer
3.3 WAVELENGTH CALIBRATION OF A SCANNING MONOCHROMATOR OR A SEQUENTIAL SPECTROMETER
3.3.1 General
3.3.2 Scanning monochromator
3.3.2.1 Calibration
3.3.2.2 Profile check
3.3.3 Sequential spectrometer
4 INSTRUMENT PERFORMANCE TESTS
4.1 GENERAL
4.2 FREQUENCY OF TESTING
4.3 REPEATABILITY OF THE INSTRUMENT
4.4 REPEATABILITY OF THE MEASURING SYSTEM
4.5 TESTS ON MEASURING CIRCUITS
4.5.1 Dark current
4.5.2 Radio-frequency interference
4.6 BACKGROUND EQUIVALENT CONCENTRATION
4.7 LIMIT OF DETECTION
5 OPERATION
5.1 INTRODUCTION
5.1.1 General
5.1.2 Contamination and reagent purity
5.2 METHOD DEVELOPMENT
5.2.1 General
5.2.2 Instrument settings
5.2.3 Spectral interference
5.2.4 Background correction
5.2.5 Blank correction
5.2.6 Integration time
5.3 CALIBRATION OF SPECTROMETER
5.4 STANDARDIZATION
5.4.1 General
5.4.2 Standardizing materials
5.4.3 Standardizing the measured intensities
5.4.4 Equation for corrections
5.5 ANALYSIS PROCEDURE
5.5.1 Treatment of test sample
5.5.2 Treatment of blank test sample
5.6 ACCEPTANCE OF RESULTS
5.6.1 General
5.6.2 Acceptance of analytical values
5.6.2.1 Single determination
5.6.2.2 Replicate determinations
5.6.2.3 Acceptance of reference material result
6 ANALYTICAL QUALITY ASSURANCE
6.1 GENERAL
6.2 INSTRUMENT CALIBRATION AND STANDARDIZATION
6.3 VALIDATION OF ANALYTICAL PROCEDURE
6.3.1 Traceability of samples
6.3.2 Documentation of analytical methods
6.3.3 Monitoring of analytical performance
6.4 TREATMENT OF DATA FROM MONITORING PROCEDURE
6.5 TRACEABILITY OF RESULTS
6.6 CORRECTIVE ACTION
APPENDIX A
Cited references in this standard
[Current]
Aluminium and aluminium alloys — Sampling for chemical and spectrochemical analysis
[Current]
Safety in laboratories, Part 5: Non-ionizing radiations - Electromagnetic, sound and ultrasound
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